One cannot assume communication expertise-imagine if someone just decided that they were a physicist and started trying to contribute to the field without the necessary background.
参考:人们不能自认为是传播专家--想象一下,有人自认为是物理学家并开始在没有任何必备(学术)背景的情况下就试图为这一领域作出贡献。
1.imagine是否为插入语+祈使句?if…是什么结构,是宾语从句吗?为什么后面没有主句?
2.decided这里是什么意思?
imagine句为祈使句,放在破折号后用于解释前面的句子。imagine if 这里相当于imagine that... if 引导宾语从句。decide 表示认定的意思。请看词典解释:if:5. that: I'm sorry if you don't agree.
decide:a. To reach a conclusion or form a judgment or opinion about (something) by reasoning or consideration:
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